In the pea strains used by Mendel, differences in flower color, pea shape, and pea color...
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In the pea strains used by Mendel, differences in flower color, pea shape, and pea color were each controlled by a single gene. Purple flower color was dominant to white flower color, round peas was dominant to wrinkled peas and yellow peas was dominant to green peas. Mendel crossed a true-breeding strain of peas with white flowers and round, green seeds to another true breeding strain with purple flowers and wrinkled, yellow seeds. The resulting trihybrids (F1) were then allowed to self-pollinate to produce a F2 population. a. Among the (F:) trihybrids, what color(s) were the flowers, and what were the colors and shapes of the peas? (1 pt) b. What proportion of the F2 progeny had white flowers and round, green seeds? (2 pts) c. Of the progeny with these phenotypes (white flowers and round, green seeds), what proportion will be true breeding? (1 pts) I. How would the answers to the above questions be different if the first cross was between a true breeding strain with white flowers and wrinkled, yellow peas and another true breeding strain with purple flowers and round, green peas? (1 pt) In the pea strains used by Mendel, differences in flower color, pea shape, and pea color were each controlled by a single gene. Purple flower color was dominant to white flower color, round peas was dominant to wrinkled peas and yellow peas was dominant to green peas. Mendel crossed a true-breeding strain of peas with white flowers and round, green seeds to another true breeding strain with purple flowers and wrinkled, yellow seeds. The resulting trihybrids (F1) were then allowed to self-pollinate to produce a F2 population. a. Among the (F:) trihybrids, what color(s) were the flowers, and what were the colors and shapes of the peas? (1 pt) b. What proportion of the F2 progeny had white flowers and round, green seeds? (2 pts) c. Of the progeny with these phenotypes (white flowers and round, green seeds), what proportion will be true breeding? (1 pts) I. How would the answers to the above questions be different if the first cross was between a true breeding strain with white flowers and wrinkled, yellow peas and another true breeding strain with purple flowers and round, green peas? (1 pt)
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Answer rating: 100% (QA)
We know that Purple Flowers are Dominant to White Flowers Round Seeds are dominant to Wrinkled Seeds Yellow seeds are dominant to Green Seeds a Given ... View the full answer
Related Book For
Statistics for the Life Sciences
ISBN: 978-0321989581
5th edition
Authors: Myra Samuels, Jeffrey Witmer, Andrew Schaffner
Posted Date:
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